Gifford's Rebecca Mulley and Mark Richardson have for the last month been in a remote part of Mali, building a barrage to give a village improved water supply.
Their task, to build a barrage across the Woni River is nearting completion - early.
Once complete, the barrage will give the village of Mafèlè a much more reliable drinking water supply, and so reduce the reliance on wells.
Read the latest part of their experiences here.
Read the first part of their journey here.
Read the second part of their journey here.
Read the third part of their journey here.